“On the case’s top is the cleanest looking blow hole you will ever see. Cooler Master obviously wasn’t satisfied with a simple fan grill. The have used a wire mesh to cover the area and color coordinated it to the brown of the rest of case. No screws were visible and the screen is almost perfectly flush with the roof of the case. The wire mesh is of a thick enough weave to conceal the fan below but not so thick as to restrict air flow.”

FULL STORY @ OVERCLOCKERCAFE(http://www.overclockercafe.com/Reviews/CoolerMaster_ATC-201/index.htm)